src/BlockAllocator.cpp in gosu-1.4.3 vs src/BlockAllocator.cpp in gosu-1.4.4

@@ -2,10 +2,10 @@
 #include "BlockAllocator.hpp"
 #include <stdexcept>
 #include <vector>
 using namespace std;
 
-struct Gosu::BlockAllocator::Impl : Gosu::Noncopyable
+struct Gosu::BlockAllocator::Impl : private Gosu::Noncopyable
 {
     unsigned width, height;
 
     vector<Block> blocks;
     unsigned first_x, first_y;